公开(公告)号：US10767997B1

公开(公告)日：2020-09-08

申请号：US16284766

申请日：2019-02-25

Applicant: QUALCOMM Incorporated

Inventor： Pushkar Gorur Sheshagiri ,  Chayan Sharma ,  Chiranjib Choudhuri ,  Ajit Deepak Gupte

IPC: G01C21/20 ,  G06T7/11 ,  G06F1/16 ,  G06T19/00 ,  G06N3/02

Abstract: Systems, methods, and computer-readable media are provided for immersive extended reality experiences on mobile platforms. In some examples, a method can include obtaining sensor measurements from one or more sensors on a mobile platform and/or a device associated with a user in the mobile platform, the sensor measurements including motion parameters associated with the mobile platform and the user; identifying features of the mobile platform and an environment outside of the mobile platform; tracking, using the sensor measurements, a first pose of the mobile platform relative to the environment outside of the mobile platform; tracking, using the sensor measurements, a second pose of the user relative to at least one of the features of the mobile platform; and tracking, based on the first pose and the second pose, a third pose of the user relative to at least one of the features of the environment outside of the mobile platform.

公开(公告)号：US11769258B2

公开(公告)日：2023-09-26

申请号：US17166957

申请日：2021-02-03

Applicant: QUALCOMM Incorporated

Inventor： Ajit Deepak Gupte ,  Gerhard Reitmayr ,  Abhijeet Bisain ,  Pushkar Gorur Sheshagiri ,  Chayan Sharma ,  Ajit Venkat Rao

IPC: G06T7/246 ,  G06T7/73 ,  G06T7/292 ,  G06F3/01

CPC classification number: G06T7/248 ,  G06T7/292 ,  G06T7/74 ,  G06F3/012 ,  G06T2207/10012 ,  G06T2207/10032 ,  G06T2207/30244 ,  G06T2207/30252

Abstract: Systems and techniques are described herein for processing images. The systems and techniques can be implemented by various types of systems, such as by an extended reality (XR) system or device. In some cases, a first processor receives an image of an environment captured by an image sensor, identifies features depicted in the image, and generates descriptors for the features. The first processor sends the descriptors to a second processor, which may be more powerful than the first processor. The second processor receives the descriptors. The second processor associates the plurality of features with a map of the environment based on at least a subset of the plurality of descriptors. For example, the second processor can track at least a subset of the features based on at least a subset of the descriptors and based on feature information from one or more additional images of the environment.

公开(公告)号：US11010921B2

公开(公告)日：2021-05-18

申请号：US16414664

申请日：2019-05-16

Applicant: QUALCOMM Incorporated

Inventor： Chiranjib Choudhuri ,  Pushkar Gorur Sheshagiri ,  Ajit Deepak Gupte ,  Vinay Melkote Krishnaprasad ,  Chayan Sharma ,  Ajit Venkat Rao

IPC: G06T7/73 ,  G06F3/00 ,  G06T19/00 ,  G02B27/01 ,  G06F3/01

Abstract: Systems, methods, and computer-readable media are provided for distributed tracking and mapping for extended reality experiences. An example method can include computing, at a device, a pose of the device at a future time, the future time being determined based on a communication latency between the device and a mapping backend system; sending, to the mapping backend system, the pose of the device; receiving, from the mapping backend system, a map slice including map points corresponding to a scene associated with the device, the map slice being generated based on the pose of the device, wherein the map points correspond to the predicted pose; and computing an updated pose of the device based on the map slice.